Home / 3,243.57-4,863.61-1,021.99

Finding the Fourth Proportional to 3,243.57, 4,863.61 and 1,021.99

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Solution

The fourth proportional to 3,243.57, 4,863.61 and 1,021.99 is: 1,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.57 : 4,863.61 = 1,021.99 : x
  2. Step 2: Convert to fraction form
    3,243.57/4,863.61 = 1,021.99/x
  3. Step 3: Cross multiply
    3,243.57x = 4,863.61 × 1,021.99
  4. Step 4: Simplify right side
    3,243.57x = 4,970,549.90
  5. Step 5: Solve for x
    x = 4,970,549.90/3,243.57
  6. Step 6: Final answer
    x = 1,532.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.